Process & Specifications:_
- Single Screw & Barrel made from EN-41B steel (MUSCO - Mahindra Eugene make)
- Material conditioned by thermal process.
- Screw Profiling and flight Cutting made on fully Imported CNC thread milling machine.
- Honing surface in side the Barrel quality to achieve superior internal bore finish.
- Screw polished by special purpose polishing machine.
- Devloped material stressess under process removed through stabilizaing after stabilized the material.
- Screw & Barrel are nitride hardened, with hardness maintained at up to 70 HRC.
- Nitride layer thickness maintained up to 0.4 to 0.5mm.
- Grooved feed bush in side fitted HSS sleeve.
- Screw Should be straight within 0.1 mm tolerance
- Screw outer diameter Grinding, polishing ,buffing done.
- Permissible tolerances maintained for screw and barrel as per design.